Which group used violence against african americans during the late 1800s and early 1900s?

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.